YANG Hai-yan,ZHANG Chun-hong,WU Wen-long,et al.Changes on Antioxidant System in Fruit of Rubus spp.cv ‘Arapaho’ During the Development and Ripening Stage[J].Northern Horticulture,2014,38(16):13-16,17.
黑莓果实发育过程中抗氧化系统变化规律研究
- Title:
- Changes on Antioxidant System in Fruit of Rubus spp.cv ‘Arapaho’ During the Development and Ripening Stage
- 文章编号:
- 1001-0009(2014)16-0013-05
- 分类号:
- S663.2
- 文献标志码:
- A
- 摘要:
- 摘要:以生产上表现优异的‘Arapaho’黑莓品种为试材,在花后3 d至成熟过程中对果实细胞中抗氧化系统的动态变化进行了观察测定。结果表明:黑莓果实发育过程中超氧化物歧化酶(SOD)和过氧化物酶(POD)活性变化表现为先升后降的趋势,过氧化氢酶(CAT)活性变化呈下降趋势;抗坏血酸(AsA)、脯氨酸(Pro)含量呈下降趋势,还原型谷胱甘肽(GSH)含量和超氧阴离子自由基(O-.2)产生速率呈先升后降的趋势,丙二醛(MDA)含量变化趋势并不明显。抗氧化酶SOD、POD、CAT和抗氧化物质AsA、GSH、Pro协同作用,使得果实一直处于活性氧产生和清除的平衡状态,从而保证了果实能够正常发育到完全成熟
- Abstract:
- Taking blackberry cultivar(Rubus spp.cv‘Arapaho’) as material,from the stage of three days after flower (DAF) to the maturation process,fruit antioxidant system of ‘Arapaho’ was investigated.The results showed that superoxide dismutase (SOD) and peroxydase (POD) activity first increased and then decreased,catalase (CAT) activity decreased gradually during the fruit development and ripening process;antiscorbic acid (AsA) and free proline (Pro) content decreased during the fruit ripening process,glutathione (GSH) content and the generation of O2 first increased and then decreased,MDA content showed no significant difference in the process of fruit development.The combination of antioxidases SOD,POD,CAT and antioxidant materials AsA,GSH,Pro played an important role to keep the balance of generating and scavenging of active oxygen in the process of fruit development,and ensure fruit to develop and mature.
参考文献/References:
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备注/Memo
第一作者简介:杨海燕(1983-),女,博士,助理研究员,现主要从事黑莓等小果类生物技术研究。E-mail:haiyanyang_025@126.com.